DEICING LIQUID Russian patent published in 1997 - IPC

FIELD: aviation; liquid intended to prevent deicing of aircraft. SUBSTANCE: deicing liquid comprises alkylene polyol, alkali metal unsubstituted phosphate, stearic acid, water and surface-active agent, namely, benzene sulphonate of methyldiethylaminomethylated derivatives of diethylene glycolic esters of fatty alcohols, components are taken in following weight ratio wt.%: alkylene polyol, 30-95; alkali metal unsubstituted phosphate, 0.5-1.5; benzene sulphonate of methylethylaminomethylated derivatives of diethylene glycol esters of fatty alcohols, 0.5-5.0; stearic acid, 0.1-1.2; water, the balance. EFFECT: low viscosity at low temperatures, at which aircraft normally fly; easily removed from aircraft surfaces; long service life. 2 tbl